1201033221029 has 4 divisors (see below), whose sum is σ = 1264245495840. Its totient is φ = 1137820946220.

The previous prime is 1201033221023. The next prime is 1201033221043. The reversal of 1201033221029 is 9201223301021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201033221029 - 2²⁴ = 1201016443813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201033220989 and 1201033221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201033221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31606137377 + ... + 31606137414.

It is an arithmetic number, because the mean of its divisors is an integer number (316061373960).

Almost surely, 2^{1201033221029} is an apocalyptic number.

1201033221029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1201033221029 is a deficient number, since it is larger than the sum of its proper divisors (63212274811).

1201033221029 is an equidigital number, since it uses as much as digits as its factorization.

1201033221029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63212274810.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1201033221029 in words is "one trillion, two hundred one billion, thirty-three million, two hundred twenty-one thousand, twenty-nine".